SFTP Writing utf-8 vs. ANSI Text Files

Demonstrates how to specify the charset, such as utf-8, ANSI, windows-1250, iso-8859-1, Shift_JIS, etc., when writing text files. See the List of Charsets for all supported charsets.

Download Chilkat .NET for 4.0 Framework

Download Chilkat .NET for 64-bit 4.0 Framework (x64)

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 64-bit 2.0 / 3.5 Framework (x64)

Download Chilkat .NET for 1.0 / 1.1 Framework

//  Important: It is helpful to send the contents of the
//  sftp.LastErrorText property when requesting support.

Chilkat.SFtp sftp = new Chilkat.SFtp();

//  Any string automatically begins a fully-functional 30-day trial.
bool success;
success = sftp.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs = 5000;
sftp.IdleTimeoutMs = 15000;

//  Connect to the SSH server.
//  The standard SSH port = 22
//  The hostname may be a hostname or IP address.
int port;
string hostname;
hostname = "192.168.1.108";
port = 22;
success = sftp.Connect(hostname,port);
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Authenticate with the SSH server.  Chilkat SFTP supports
//  both password-based authenication as well as public-key
//  authentication.  This example uses password authenication.
success = sftp.AuthenticatePw("myLogin","myPassword");
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp();
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Open a file on the server for writing.
//  "createTruncate" means that a new file is created; if the file already exists, it is opened and truncated.
string handle;
handle = sftp.OpenFile("utf8_sample.txt","writeOnly","createTruncate");
if (handle == null ) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Write a single utf-8 character to the file - a lowercase ü
//  A "ü" in utf-8 is represented by 2 bytes:  0xC3 0xBC
//  The following call to WriteFileText writes 2 bytes (0xC3 0xBC)
//  to the file:
success = sftp.WriteFileText(handle,"utf-8","ü");
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Close the file.
success = sftp.CloseHandle(handle);
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Let's write the same "ü" character using windows-1252
//  (which is the ANSI charset for Western-European languages)
handle = sftp.OpenFile("windows1252_sample.txt","writeOnly","createTruncate");
if (handle == null ) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Write a single windows-1252 character to the file - a lowercase ü
//  A "ü" in windows-1252 is represented by 1 byte:  0xFC
//  The following call to WriteFileText writes 1 byte (0xFC)
//  to the file:
success = sftp.WriteFileText(handle,"windows-1252","ü");
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

//  Close the file.
success = sftp.CloseHandle(handle);
if (success != true) {
    MessageBox.Show(sftp.LastErrorText);
    return;
}

MessageBox.Show("Success.");